Natural Hazards Flashcards
Who came up with the theory of continental drift
Alfred Wegener
Which process in the earths mantle causes tectonic plates to move
Convectin currents
Where are volcanic eruptions and how does this relate to tectonic plates
On long belts that follow plate margins. Eg edge of the ocean .The destructive and constructive plate margins create volcanoes
where are earthquakes and how does it relate to plate tectonics
On plate margins. They are created from the build up and release of tension from the plates sliding past each other. It can also be made by oil extractions or underground mining.
whats an immediate response to an earthquake
search and rescue teams/ provide basic resources eg food
What landforms are created at constructive boundaries
shield volcanoes
What landform is created at collision zones
fold mountains
San Andreas fault is and example of what tectonic boundary
conservative
Name one way buildings can be made earthquake proof
shock absorbers in ground
Name a primary and secoundary effect of LIC Nepal 2015
Primary- 7000 schools destroyed
Secoundary- Avalanche killed 19 hikers Mt Everest
Name a primary and secoundary effect of HIC Chilie 2010
Primary- 53 ports destroyed/56 hospitals/220,000 homes/4,500schools
Secoundary- 1500km roads destroyed
How much did the LIC Nepal 2015 e cost
$5 billion`
How much did the HIC Chilie 2010 e cost
$30billion
How many people died in the LIC Nepal 2015 earthquake
9000
How many people died in the HIC Chilie 2010 earthquake
500
